
.container{position: relative;width: 80%;min-height: 600px;margin: 20px auto;padding: 5px}
.sub-container{position:relative; float: left;width: 45%;min-height: 500px;border: #433b90 1px solid}
.one_canvas{border: 1px solid red;width: 200px;height: 200px;}

/*隐藏起来*/
#twelve_offCanvas{display: none}